342520402434 has 32 divisors (see below), whose sum is σ = 787229229696. Its totient is φ = 97322290560.

The previous prime is 342520402429. The next prime is 342520402481. The reversal of 342520402434 is 434204025243.

It is a junction number, because it is equal to n+sod(n) for n = 342520402395 and 342520402404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22520707 + ... + 22535910.

It is an arithmetic number, because the mean of its divisors is an integer number (24600913428).

Almost surely, 2^342520402434 is an apocalyptic number.

342520402434 is an abundant number, since it is smaller than the sum of its proper divisors (444708827262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342520402434 is a wasteful number, since it uses less digits than its factorization.

342520402434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45056810.

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 342520402434 its reverse (434204025243), we get a palindrome (776724427677).

The spelling of 342520402434 in words is "three hundred forty-two billion, five hundred twenty million, four hundred two thousand, four hundred thirty-four".